EP0860184A1 - Diving mask with extended field of vision - Google Patents

Diving mask with extended field of vision Download PDF

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Publication number
EP0860184A1
EP0860184A1 EP97400400A EP97400400A EP0860184A1 EP 0860184 A1 EP0860184 A1 EP 0860184A1 EP 97400400 A EP97400400 A EP 97400400A EP 97400400 A EP97400400 A EP 97400400A EP 0860184 A1 EP0860184 A1 EP 0860184A1
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EP
European Patent Office
Prior art keywords
flat
mask
vision
mask according
seal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
EP97400400A
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German (de)
French (fr)
Inventor
Emilien Vigneron
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Holding Financiere Mk
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Holding Financiere Mk
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Filing date
Publication date
Application filed by Holding Financiere Mk filed Critical Holding Financiere Mk
Priority to EP97400400A priority Critical patent/EP0860184A1/en
Publication of EP0860184A1 publication Critical patent/EP0860184A1/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
    • B63C11/02—Divers' equipment
    • B63C11/12—Diving masks

Definitions

  • the present invention relates to a mask for aquatic dive with panoramic vision.
  • An aquatic diving mask usually has an opaque main body having a rear edge fitted with a seal intended to be applied against the face of the mask wearer and a front edge fitted with an attached flat transparent window tightly to the body.
  • the body and its window delimit thus an enclosure which, when the mask is applied against the face of its wearer, is protected from water.
  • the body is equipped, in the vicinity of its front edge, anchoring zones for the ends of a elastic strap intended to surround the rear part of the wearer's skull.
  • the main disadvantage of this kind of mask is that it does not allow a panoramic view, the angle of vision being limited by the opaque main body.
  • the enveloping lateral portion of the body of this mask being transparent, the viewing angle is not limited by it.
  • the porthole is flat, the vision through it is not distorted.
  • the vision through the lateral portion conical transparent body is deformed in water.
  • the object of the invention is to produce a mask panoramic vision aquatic diving of the aforementioned type, simple structure and avoiding as much as possible deformities of vision, especially laterally.
  • the lateral portion comprises two flat side faces.
  • the lateral portion also has upper faces and also flat.
  • each flat side face of the portion lateral form with the flat window an obtuse angle included between 105 ° and 110 °.
  • each flat side face forms with the flat window an angle of 108 ° precisely.
  • the two ends of the strap are fixed near the rear edge of the transparent body.
  • the lateral vision is thus in no way disturbed by ends of the strap, these being fixed to the edge back of the transparent body, i.e. behind eyes.
  • the ends of the strap are made in one piece with the seal sealing.
  • the manufacture of the seal and the strap, as well as their connections to the rear edge of the body, is thus particularly facilitated.
  • the seal is a balancing bellows, with or without a decompression nose, and it is made of translucent material. We thus improves adaptability to different morphologies, and in addition we increase the brightness inside of the mask.
  • the mask designated by the general reference 1, comprises a monobloc shell transparent 2 comprising an enveloping lateral portion 3 having a front edge 4 and a rear edge 5.
  • the shell 2 also includes a transparent flat porthole 6, the periphery is common with the front edge 4 of the portion lateral 3.
  • the lateral portion 3 of the mask has two planar side faces 3.1, of which one left side and one right side, each extending substantially vertically on one side of the flat window 6, and further here two upper and lower faces also planes 3.2.
  • Each flat side face 3.1 forms an angle obtuse ⁇ with the flat window 6.
  • This angle ⁇ is chosen for have very little disturbed vision.
  • the angle ⁇ will be essentially between 105 ° and 110 °.
  • the tests carried out by the applicant have highlighted a preferential value of 108 °, which gives a vision perfect in all directions.
  • Shell 2 is in one piece, and is preferably by injection, which avoids assembly manipulations of traditional masks.
  • this shell will thus be made of material injection molded plastic, e.g. polycarbonate or any other scratch-resistant material.
  • a such a shell provides the user with a truly vision panoramic, and with the minimum of deformations.
  • the rear edge 5 of the lateral portion 3 is also equipped with a seal 7 forming a balancing bellows.
  • the seal 7 comprises a front part 7.1 matching the rear edge 5 of the lateral portion 3 and a rear portion 7.2.
  • This bellows structure allows excellent adaptability to the shape of the user's face. We are thus assured that the seal is perfectly plated on the face of the user regardless of its morphology.
  • the seal 7 is here made of a translucent material of silicone synthetic rubber type, and it has possibly a protruding part or compression nose 8 intended to wrap the shape of the user's nose.
  • the mask is equipped with a strap 9 having two ends 10 fixed to the lateral portion 3.
  • the ends 10 are here attached to the lateral portion 3 in the vicinity from the rear edge 5 thereof, so as not to disturb the vision of the user.
  • the strap 9 can be produced in two parts, with a rear part having two ends connected, by means of conventional type setting (not shown here), aux two ends 10 which are made in one piece with the attached 7.
  • the fact that the window 6 is flat prevents distortion of the user's vision.
  • the enveloping lateral portion 3 allows, by its transparency, a totally panoramic vision. Vision through the lateral portion 3, that is to say according to a wide angle, is not disturbed in any way thanks to the faces of flat side 3.1. This vision is particularly optimal by the choice of an angle of 108 ° formed by the flat window 6 and each flat side face.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

The mask has a body (2) whose back edge (5) has an airtight joint (7). The ends of a strap (9) are fixed to the back edge of the body. A lateral part (3) joins the edge to the front edge (4) and is made in one piece with the flat front screen (6) to form a transparent shell. The lateral parts have two side surfaces (3.1) that are flat and its upper and lower surfaces (3.2) are also flat. Each side surface is at an obtuse angle of 105-110 deg to the front screen.

Description

La présente invention concerne un masque de plongée aquatique à vision panoramique.The present invention relates to a mask for aquatic dive with panoramic vision.

Un masque de plongée aquatique comporte habituellement un corps principal opaque ayant un bord arrière équipé d'un joint d'étanchéité destiné à être appliqué contre le visage du porteur du masque et un bord avant équipé d'un hublot transparent plat rapporté qui est fixé au corps de façon étanche. Le corps et son hublot délimitent ainsi une enceinte qui, lorsque le masque est appliqué contre le visage de son porteur, est à l'abri de l'eau. Pour le maintien correct du masque sur le visage de l'utilisateur, le corps est équipé, au voisinage de son bord avant, de zones d'ancrage pour les extrémités d'une sangle élastique destinée à entourer la partie arrière du crâne du porteur.An aquatic diving mask usually has an opaque main body having a rear edge fitted with a seal intended to be applied against the face of the mask wearer and a front edge fitted with an attached flat transparent window tightly to the body. The body and its window delimit thus an enclosure which, when the mask is applied against the face of its wearer, is protected from water. For the correct maintenance of the mask on the face of the user, the body is equipped, in the vicinity of its front edge, anchoring zones for the ends of a elastic strap intended to surround the rear part of the wearer's skull.

Le principal inconvénient de ce genre de masque est qu'il ne permet pas une vision panoramique, l'angle de vision étant limité par le corps principal opaque.The main disadvantage of this kind of mask is that it does not allow a panoramic view, the angle of vision being limited by the opaque main body.

En vue de remédier à cet inconvénient, il a été réalisé des masques ayant un hublot de forme bombée de façon à permettre une réduction de la taille du corps et à augmenter ainsi l'angle de vision. Toutefois, le bombage du hublot engendre une déformation de la vision, si bien que ce type de masque ne donne pas non plus entière satisfaction. En outre, sa fabrication est relativement coûteuse.In order to remedy this drawback, it has been made masks with a domed porthole of so as to allow a reduction in body size and to thus increase the viewing angle. However, the bending of the window causes distortion of vision, so that this type of mask is not entirely satisfactory either. In addition, its manufacture is relatively expensive.

On pourra se référer aux documents WO-A-9305431 et US-A-3672750 qui illustrent un masque à deux verres bombés, et au document WO-A-9207630 illustrant un masque à hublot sphérique. De façon analogue, la correction de la vision est illustrée dans les documents US-A-3899244 et DE-A-4218349. Il convient de noter que ces masques doivent être assemblés manuellement.Reference may be made to documents WO-A-9305431 and US-A-3672750 which illustrate a mask with two glasses curved, and in document WO-A-9207630 illustrating a mask spherical porthole. Similarly, the correction of the vision is illustrated in documents US-A-3899244 and DE-A-4218349. It should be noted that these masks must be assembled manually.

L'art antérieur est également illustré par le document US-A-3 186 005, qui décrit un masque de plongée aquatique à vision panoramique, comportant un corps ayant un bord arrière équipé d'un joint d'étanchéité, et une portion latérale conique enveloppante (comprenant les surfaces de côté ainsi que les surfaces inférieure et supérieure) qui raccorde ce bord arrière à un bord avant équipé d'un hublot plat, et une sangle ayant deux extrémités fixées au corps. La portion latérale et le hublot de ce masque sont réalisés en une seule pièce constituée par une coque monobloc transparente.The prior art is also illustrated by the document US-A-3,186,005, which describes a diving mask aquatic with panoramic vision, comprising a body having a rear edge fitted with a seal, and a wrap-around conical side portion (including the side surfaces as well as the bottom surfaces and upper) which connects this rear edge to a front edge equipped with a flat window, and a strap having two ends attached to the body. The side portion and the window of this mask are made in one piece consisting of a transparent one-piece shell.

La portion latérale enveloppante du corps de ce masque étant transparente, l'angle de vision n'est pas limité par celle-ci. De plus comme le hublot est plat, la vision à travers celui-ci n'est pas déformée. Toutefois, il apparaít que la vision à travers la portion latérale conique du corps transparent est déformée dans l'eau.The enveloping lateral portion of the body of this mask being transparent, the viewing angle is not limited by it. In addition, since the porthole is flat, the vision through it is not distorted. However, it appears that the vision through the lateral portion conical transparent body is deformed in water.

Le but de l'invention est de réaliser un masque de plongée aquatique à vision panoramique du type précité, de structure simple et évitant autant que possible les déformations de la vision, en particulier latéralement.The object of the invention is to produce a mask panoramic vision aquatic diving of the aforementioned type, simple structure and avoiding as much as possible deformities of vision, especially laterally.

Selon l'invention, la portion latérale comporte deux faces de côté planes.According to the invention, the lateral portion comprises two flat side faces.

Ainsi, le champ visuel du porteur du masque n'est pas rétréci et la vision au travers des faces de côté planes est peu déformée. On obtient de ce fait une très bonne vision panoramique.Thus, the field of vision of the wearer of the mask is not not narrowed and vision through the side faces planes is little deformed. We therefore obtain a very good panoramic view.

Selon un mode de réalisation particulier, la portion latérale comporte en outre des faces supérieure et inférieure également planes.According to a particular embodiment, the lateral portion also has upper faces and also flat.

On améliore ainsi encore le champ visuel du porteur du masque, en évitant une déformation de la vision vers le haut ou vers le bas.This further improves the visual field of the wearer of the mask, avoiding distortion of vision upwards or downwards.

Selon une autre caractéristique avantageuse de l'invention, chaque face de côté plane de la portion latérale forme avec le hublot plat un angle obtus compris entre 105° et 110°.According to another advantageous characteristic of the invention, each flat side face of the portion lateral form with the flat window an obtuse angle included between 105 ° and 110 °.

Lorsque les faces de côté planes et le hublot forment un angle obtus compris dans cette plage, la vision du porteur du masque au travers des faces de côté planes est encore améliorée.When the flat side faces and the porthole form an obtuse angle within this range, the vision of the wearer of the mask through the flat side faces is further improved.

Avantageusement alors, chaque face de côté plane forme avec le hublot plat un angle de 108° précisément.Advantageously then, each flat side face forms with the flat window an angle of 108 ° precisely.

Lorsque chaque face de côté plane et le hublot plat forment un tel angle, la vision du porteur du masque au travers des faces de côté planes est alors optimale.When each flat side face and the porthole flat form such an angle, the vision of the wearer of the mask through the flat side faces is then optimal.

Selon une autre caractéristique avantageuse de l'invention, les deux extrémités de la sangle sont fixées au voisinage du bord arrière du corps transparent. La vision latérale n'est ainsi aucunement perturbée par les extrémités de la sangle, celles-ci étant fixées au bord arrière du corps transparent, c'est-à-dire en arrière des yeux.According to another advantageous characteristic of the invention, the two ends of the strap are fixed near the rear edge of the transparent body. The lateral vision is thus in no way disturbed by ends of the strap, these being fixed to the edge back of the transparent body, i.e. behind eyes.

Avantageusement alors, les extrémités de la sangle sont réalisées en une seule pièce avec le joint d'étanchéité. La fabrication du joint et de la sangle, ainsi que de leurs liaisons au bord arrière du corps, est ainsi particulièrement facilitée.Advantageously then, the ends of the strap are made in one piece with the seal sealing. The manufacture of the seal and the strap, as well as their connections to the rear edge of the body, is thus particularly facilitated.

Avantageusement encore, le joint d'étanchéité est un soufflet d'équilibrage, avec ou sans nez de décompression, et il est réalisé en matériau translucide. On améliore ainsi l'adaptabilité à des morphologies différentes, et de plus on augmente encore la luminosité à l'intérieur du masque.Advantageously also, the seal is a balancing bellows, with or without a decompression nose, and it is made of translucent material. We thus improves adaptability to different morphologies, and in addition we increase the brightness inside of the mask.

D'autres caractéristiques et avantages de l'invention apparaítront plus clairement à la lecture de la description qui suit d'un mode de réalisation particulier donné à titre d'exemple non limitatif.Other characteristics and advantages of the invention will appear more clearly on reading the description which follows of a particular embodiment given by way of nonlimiting example.

Il sera fait référence aux dessins annexés, parmi lesquels :

  • la figure 1 est une vue en perspective d'un masque de plongée conforme à l'invention ; et
  • la figure 2 est une vue de face du masque de la figure 1.
Reference will be made to the appended drawings, among which:
  • Figure 1 is a perspective view of a diving mask according to the invention; and
  • FIG. 2 is a front view of the mask of FIG. 1.

En référence aux figures, le masque, désigné par la référence générale 1, comporte une coque monobloc transparente 2 comportant un portion latérale enveloppante 3 ayant un bord avant 4 et un bord arrière 5. La coque 2 comporte également un hublot plat transparent 6 dont le pourtour est commun avec le bord avant 4 de la portion latérale 3.With reference to the figures, the mask, designated by the general reference 1, comprises a monobloc shell transparent 2 comprising an enveloping lateral portion 3 having a front edge 4 and a rear edge 5. The shell 2 also includes a transparent flat porthole 6, the periphery is common with the front edge 4 of the portion lateral 3.

Conformément à l'invention, la portion latérale 3 du masque comporte deux faces de côté planes 3.1, dont une face gauche et une face droite, s'étendant chacune sensiblement verticalement d'un côté du hublot plat 6, et en outre ici deux faces supérieure et inférieure également planes 3.2. Chaque face de côté plane 3.1 forme un angle obtus α avec le hublot plat 6. Cet angle α est choisi pour avoir une vision très peu perturbée. A cet effet, l'angle α sera essentiellement compris entre 105° et 110°. Les essais effectués par la demanderesse ont mis en évidence une valeur préférentielle de 108°, qui confère une vision parfaite dans toutes les directions.According to the invention, the lateral portion 3 of the mask has two planar side faces 3.1, of which one left side and one right side, each extending substantially vertically on one side of the flat window 6, and further here two upper and lower faces also planes 3.2. Each flat side face 3.1 forms an angle obtuse α with the flat window 6. This angle α is chosen for have very little disturbed vision. For this purpose, the angle α will be essentially between 105 ° and 110 °. The tests carried out by the applicant have highlighted a preferential value of 108 °, which gives a vision perfect in all directions.

La coque 2 est d'une seule pièce, et elle est de préférence réalisée par injection, ce qui permet d'éviter les manipulations d'assemblage des masques traditionnels. De préférence, cette coque sera ainsi réalisée en matière plastique moulée par injection, par exemple en polycarbonate ou en toute autre matière résistant aux rayures. Une telle coque procure à l'utilisateur une vision véritablement panoramique, et avec le minimum de déformations.Shell 2 is in one piece, and is preferably by injection, which avoids assembly manipulations of traditional masks. Preferably, this shell will thus be made of material injection molded plastic, e.g. polycarbonate or any other scratch-resistant material. A such a shell provides the user with a truly vision panoramic, and with the minimum of deformations.

Le bord arrière 5 de la portion latérale 3 est par ailleurs équipé d'un joint d'étanchéité 7 formant un soufflet d'équilibrage. Le joint d'étanchéité 7 comporte une partie avant 7.1 épousant le bord arrière 5 de la portion latérale 3 et une partie arrière 7.2. Cette structure de soufflet permet une excellente adaptabilité à la forme du visage de l'utilisateur. On est ainsi assuré que le joint est parfaitement plaqué sur le visage de l'utilisateur quelle que soit la morphologie de celui-ci. Le joint 7 est ici réalisé en un matériau translucide de type caoutchouc synthétique siliconé, et il présente éventuellement une partie protubérante ou nez de compression 8 destinée à envelopper la forme du nez de l'utilisateur.The rear edge 5 of the lateral portion 3 is also equipped with a seal 7 forming a balancing bellows. The seal 7 comprises a front part 7.1 matching the rear edge 5 of the lateral portion 3 and a rear portion 7.2. This bellows structure allows excellent adaptability to the shape of the user's face. We are thus assured that the seal is perfectly plated on the face of the user regardless of its morphology. The seal 7 is here made of a translucent material of silicone synthetic rubber type, and it has possibly a protruding part or compression nose 8 intended to wrap the shape of the user's nose.

Pour la fixation du masque sur la tête du porteur, le masque est équipé d'une sangle 9 ayant deux extrémités 10 fixées à la portion latérale 3. Les extrémités 10 sont ici fixées à la portion latérale 3 au voisinage du bord arrière 5 de celle-ci, de façon à ne pas perturber la vision de l'utilisateur. La sangle 9 peut être réalisée en deux parties, avec une partie arrière ayant deux extrémités reliées, par l'intermédiaire d'organes de réglage de type conventionnel (non représentés ici), aux deux extrémités 10 qui sont réalisées en une pièce avec le joint 7.To attach the mask to the wearer's head, the mask is equipped with a strap 9 having two ends 10 fixed to the lateral portion 3. The ends 10 are here attached to the lateral portion 3 in the vicinity from the rear edge 5 thereof, so as not to disturb the vision of the user. The strap 9 can be produced in two parts, with a rear part having two ends connected, by means of conventional type setting (not shown here), aux two ends 10 which are made in one piece with the attached 7.

On a ainsi réalisé un masque de plongée à vision panoramique dont la fabrication est extrêmement simple et peu coûteuse. Le fait que le hublot 6 soit de forme plane permet d'éviter une déformation de la vision de l'utilisateur. La portion latérale enveloppante 3 autorise, par sa transparence, une vision totalement panoramique. La vision au travers de la portion latérale 3, c'est-à-dire selon un grand angle, n'est aucunement perturbée grâce aux faces de côté planes 3.1. Cette vision est en particulier optimale par le choix d'un angle de 108° formé par le hublot plat 6 et chaque face de côté plane.We thus realized a diving mask with vision panoramic whose manufacture is extremely simple and inexpensive. The fact that the window 6 is flat prevents distortion of the user's vision. The enveloping lateral portion 3 allows, by its transparency, a totally panoramic vision. Vision through the lateral portion 3, that is to say according to a wide angle, is not disturbed in any way thanks to the faces of flat side 3.1. This vision is particularly optimal by the choice of an angle of 108 ° formed by the flat window 6 and each flat side face.

L'invention n'est pas limitée au mode de réalisation qui vient d'être décrit, mais englobe au contraire toute variante reprenant, avec des moyens équivalents, les caractéristiques essentielles énoncées plus haut.The invention is not limited to the embodiment which has just been described, but on the contrary includes any variant using, with equivalent means, the essential characteristics stated above.

Claims (8)

Masque de plongée aquatique à vision panoramique, comportant un corps (2) ayant un bord arrière (5) équipé d'un joint d'étanchéité (7), et une portion latérale enveloppante (3) raccordant ce bord arrière (5) à un bord avant (4) équipé d'un hublot plat (6), ainsi qu'une sangle (9) ayant deux extrémités fixées au corps (2), la portion latérale (3) et son hublot (6) étant réalisés en une seule pièce constituée par une coque monobloc transparente (2), caractérisé en ce que la portion latérale (3) comporte deux faces de côté planes (3.1).Aquatic diving mask with panoramic vision, comprising a body (2) having a rear edge (5) fitted with a seal (7), and a side portion wraparound (3) connecting this rear edge (5) to an edge front (4) fitted with a flat window (6) and a strap (9) having two ends fixed to the body (2), the portion side (3) and its window (6) being produced in a single part constituted by a transparent monobloc shell (2), characterized in that the lateral portion (3) has two flat side faces (3.1). Masque selon la revendication 1, caractérisé en ce que la portion latérale (3) comporte en outre des faces supérieure et inférieure également planes (3.2).Mask according to claim 1, characterized in that the lateral portion (3) further comprises upper and lower faces also flat (3.2). Masque selon la revendication 1 ou la revendication 2, caractérisé en ce que chaque face de côté plane (3.1) de la portion latérale (3) forme avec le hublot plat (6) un angle obtus (α) compris entre 105° et 110°.Mask according to claim 1 or claim 2, characterized in that each flat side face (3.1) of the side portion (3) form with the flat window (6) an obtuse angle (α) of between 105 ° and 110 °. Masque selon la revendication 3, caractérisé en ce que chaque face de côté plane (3.1) forme avec le hublot plat (6) un angle (α) de 108° précisément.Mask according to claim 3, characterized in that each flat side face (3.1) forms with the flat window (6) an angle (α) of 108 ° precisely. Masque selon l'une des revendications précédentes, caractérisé en ce que les deux extrémités (10) de la sangle (9) sont fixées au voisinage du bord arrière (5) du corps transparent (2).Mask according to one of the preceding claims, characterized in that the two ends (10) of the strap (9) are fixed in the vicinity of the rear edge (5) transparent body (2). Masque selon la revendication 5, caractérisé en ce que les extrémités (10) de la sangle (9) sont réalisées en une seule pièce avec le joint d'étanchéité (7).Mask according to claim 5, characterized in that the ends (10) of the strap (9) are made in one piece with the seal (7). Masque selon l'une des revendications précédentes, caractérisé en ce que le joint d'étanchéité (7) est un soufflet d'équilibrage, avec ou sans nez de décompression (8).Mask according to one of the preceding claims, characterized in that the seal (7) is a balancing bellows, with or without a decompression nose (8). Masque selon l'une des revendications précédentes, caractérisé en ce que le joint d'étanchéité (7) est réalisé en un matériau translucide.Mask according to one of the preceding claims, characterized in that the seal (7) is made of a translucent material.
EP97400400A 1997-02-24 1997-02-24 Diving mask with extended field of vision Withdrawn EP0860184A1 (en)

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EP97400400A EP0860184A1 (en) 1997-02-24 1997-02-24 Diving mask with extended field of vision

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Cited By (6)

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Publication number Priority date Publication date Assignee Title
US6921164B2 (en) * 2002-09-04 2005-07-26 Kirby Morgan Dive Systems, Inc. Underwater viewing lens
GB2416858A (en) * 2004-08-02 2006-02-08 Peter Feng Non-glued removable watertight lens assembly for a panoramic-view diving mask
US7900280B2 (en) 2006-05-18 2011-03-08 Speedo International Limited Goggles
WO2016193948A3 (en) * 2015-06-03 2017-03-23 Viladoms Fernandez José Antonio Visor
EP3517424A1 (en) * 2018-01-25 2019-07-31 Mares S.p.A. Diving mask
IT202000002326A1 (en) * 2020-02-06 2021-08-06 Mares Spa Diving mask

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US5420649A (en) * 1993-07-16 1995-05-30 Lewis; John E. Diving mask with improved field of vision
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FR893643A (en) * 1943-05-14 1944-08-08 Diving telescope and porthole for panoramic exploration of the seabed and underwater spaces
US3186005A (en) * 1962-08-02 1965-06-01 Sea All Inc Underwater face mask
FR2626185A1 (en) * 1988-01-25 1989-07-28 Undersea Ind Inc DIVING MASK
US5546611A (en) * 1992-08-21 1996-08-20 Lathrop; Kim N. High performance swim goggle structure
US5345615A (en) * 1993-07-09 1994-09-13 Htm Sport S.P.A. Wide viewfield underwater mask
US5420649A (en) * 1993-07-16 1995-05-30 Lewis; John E. Diving mask with improved field of vision

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6921164B2 (en) * 2002-09-04 2005-07-26 Kirby Morgan Dive Systems, Inc. Underwater viewing lens
GB2416858A (en) * 2004-08-02 2006-02-08 Peter Feng Non-glued removable watertight lens assembly for a panoramic-view diving mask
GB2416858B (en) * 2004-08-02 2006-10-11 Peter Feng The self-sealing,non-glued removable watertight lens assembly method of a panoramic-view diving mask
US7900280B2 (en) 2006-05-18 2011-03-08 Speedo International Limited Goggles
WO2016193948A3 (en) * 2015-06-03 2017-03-23 Viladoms Fernandez José Antonio Visor
EP3517424A1 (en) * 2018-01-25 2019-07-31 Mares S.p.A. Diving mask
US11040760B2 (en) 2018-01-25 2021-06-22 Mares S.P.A. Underwater mask
IT202000002326A1 (en) * 2020-02-06 2021-08-06 Mares Spa Diving mask

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